import Vue from 'vue'
import VueRouter from 'vue-router'
import { routes } from './routes'

Vue.use(VueRouter)

const router = new VueRouter({
  routes
})

// 挂载路由导航
router.beforeEach((to, from, next) => {
  // to代表要访问的路径
  // from代表从哪个路径跳转而来来
  // next是函数，代表通行

  if (to.path === '/login') return next()
    // 获取token
    const tokenStr = window.sessionStorage.getItem('token')
    if(!tokenStr)return next('/login')
    next()
})

export default router
